Home / 115,209,681.54-172,814,697.65-47,052,373.29

Finding the Fourth Proportional to 115,209,681.54, 172,814,697.65 and 47,052,373.29

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Solution

The fourth proportional to 115,209,681.54, 172,814,697.65 and 47,052,373.29 is: 70,578,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209,681.54 : 172,814,697.65 = 47,052,373.29 : x
  2. Step 2: Convert to fraction form
    115,209,681.54/172,814,697.65 = 47,052,373.29/x
  3. Step 3: Cross multiply
    115,209,681.54x = 172,814,697.65 × 47,052,373.29
  4. Step 4: Simplify right side
    115,209,681.54x = 8,131,341,663,826,286
  5. Step 5: Solve for x
    x = 8,131,341,663,826,286/115,209,681.54
  6. Step 6: Final answer
    x = 70,578,631.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.